/* ========================================
   XuZhiShi — News Pages (Apple Design)
   News list grid, news cards, single article
   ======================================== */

/* --- News Page Hero --- */
.news-hero{background:linear-gradient(180deg,#e8eef7 0%,#eef2f9 20%,#f0f4fa 40%,#f5f5f7 65%,#fafafa 85%,#fff 100%);padding:clamp(6rem,12vw,10rem) clamp(1.5rem,8vw,6rem) clamp(4rem,8vw,6rem);text-align:center;position:relative;overflow:hidden}
.news-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(0,113,227,0.06) 0%,transparent 50%),radial-gradient(ellipse at 70% 60%,rgba(90,200,250,0.05) 0%,transparent 50%),radial-gradient(ellipse at 50% 80%,rgba(175,82,222,0.04) 0%,transparent 40%);pointer-events:none;z-index:0}
.news-hero-inner{position:relative;z-index:2;max-width:1100px;margin:0 auto}
.news-hero .section-header{margin-left:auto;margin-right:auto}
.news-hero .section-header h2{text-align:center}

/* News hero blobs */
.news-hero-blob{position:absolute;border-radius:50%;filter:blur(80px);will-change:transform;opacity:0.6;pointer-events:none}
.news-hero-blob.nhb1{width:clamp(350px,45vw,600px);height:clamp(350px,45vw,600px);background:radial-gradient(circle at 40% 40%,rgba(0,113,227,0.1),rgba(90,200,250,0.05) 40%,transparent 70%);top:-250px;left:-120px;animation:nhBlobFloat 18s ease-in-out infinite alternate}
.news-hero-blob.nhb2{width:clamp(280px,35vw,450px);height:clamp(280px,35vw,450px);background:radial-gradient(circle at 50% 50%,rgba(90,200,250,0.08),rgba(0,113,227,0.03) 40%,transparent 70%);bottom:-180px;right:-100px;animation:nhBlobFloat 22s ease-in-out infinite alternate-reverse}
.news-hero-blob.nhb3{width:clamp(220px,28vw,380px);height:clamp(220px,28vw,380px);background:radial-gradient(circle at 30% 60%,rgba(175,82,222,0.07),rgba(0,113,227,0.03) 40%,transparent 70%);top:55%;left:60%;animation:nhBlobFloat 20s ease-in-out infinite alternate}
@keyframes nhBlobFloat{0%{transform:translate(0,0) scale(1) rotate(0deg)}25%{transform:translate(30px,-25px) scale(1.1) rotate(90deg)}50%{transform:translate(-15px,40px) scale(0.9) rotate(180deg)}75%{transform:translate(-40px,-15px) scale(1.06) rotate(270deg)}100%{transform:translate(20px,25px) scale(1.02) rotate(360deg)}}

/* News hero particles */
.news-hero-particles{position:absolute;inset:0;z-index:0;pointer-events:none}
.news-hero-particle{position:absolute;width:4px;height:4px;background:rgba(0,113,227,0.22);border-radius:50%;animation:nhParticleDrift 9s ease-in-out infinite;box-shadow:0 0 6px rgba(0,113,227,0.12)}
.news-hero-particle:nth-child(1){top:10%;left:15%;animation-delay:0s;animation-duration:8s}
.news-hero-particle:nth-child(2){top:25%;left:75%;animation-delay:1.5s;animation-duration:10s;background:rgba(175,82,222,0.22);box-shadow:0 0 6px rgba(175,82,222,0.12)}
.news-hero-particle:nth-child(3){top:60%;left:25%;animation-delay:2.5s;animation-duration:8.5s}
.news-hero-particle:nth-child(4){top:75%;left:80%;animation-delay:0.8s;animation-duration:11s;background:rgba(90,200,250,0.22);box-shadow:0 0 6px rgba(90,200,250,0.12)}
.news-hero-particle:nth-child(5){top:40%;left:10%;animation-delay:3.2s;animation-duration:7.5s;background:rgba(52,199,89,0.18);box-shadow:0 0 6px rgba(52,199,89,0.1)}
.news-hero-particle:nth-child(6){top:85%;left:50%;animation-delay:2s;animation-duration:9.5s}
.news-hero-particle:nth-child(7){top:8%;left:55%;animation-delay:4s;animation-duration:10.5s;background:rgba(175,82,222,0.18);box-shadow:0 0 6px rgba(175,82,222,0.1)}
.news-hero-particle:nth-child(8){top:50%;left:90%;animation-delay:1.2s;animation-duration:8.2s}
@keyframes nhParticleDrift{0%,100%{transform:translate(0,0);opacity:0.2}25%{transform:translate(30px,-50px);opacity:0.85}50%{transform:translate(-25px,-15px);opacity:0.3}75%{transform:translate(20px,40px);opacity:0.7}}

/* --- Category Filter Pills --- */
.news-filter-bar{display:flex;justify-content:center;gap:0.5rem;flex-wrap:wrap;max-width:800px;margin:0 auto 2.5rem;position:relative;z-index:3}
.news-filter-pill{display:inline-flex;align-items:center;padding:0.5rem 1.25rem;border-radius:100px;font-size:0.8125rem;font-weight:500;text-decoration:none;color:var(--text-secondary);background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);transition:all 0.35s var(--ease-spring);white-space:nowrap}
.news-filter-pill:hover{color:var(--text);background:rgba(255,255,255,0.88);border-color:rgba(0,113,227,0.15);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.news-filter-pill.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 16px rgba(0,113,227,0.2)}
.news-filter-pill .nf-count{font-size:0.6875rem;margin-left:0.35rem;opacity:0.6}

/* --- News Grid --- */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(360px,100%),1fr));gap:1.5rem;max-width:1200px;margin:0 auto;position:relative;z-index:1}

/* --- News Card --- */
.news-card{
  background:var(--glass);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:all 0.4s var(--ease-spring);
  text-decoration:none;color:inherit;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(0,113,227,0.15)}
.nc-thumb{width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--bg-secondary)}
.nc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s var(--ease-out)}
.news-card:hover .nc-thumb img{transform:scale(1.04)}
.nc-body{padding:1.5rem;flex:1;display:flex;flex-direction:column}
.nc-meta{display:flex;align-items:center;gap:0.75rem;margin-bottom:0.75rem}
.nc-date{font-size:0.75rem;color:var(--text-muted);letter-spacing:0.04em}
.nc-cat{font-size:0.6875rem;font-weight:600;letter-spacing:0.05em;text-transform:uppercase;color:var(--primary);background:rgba(0,113,227,0.06);padding:0.2rem 0.7rem;border-radius:100px}
.nc-body h3{font-size:1.0625rem;font-weight:600;letter-spacing:-0.01em;margin-bottom:0.5rem;color:var(--text);line-height:1.35}
.nc-body>p{font-size:0.8125rem;color:var(--text-muted);line-height:1.65;flex:1;margin-bottom:0.75rem}
.nc-link{display:inline-flex;align-items:center;gap:0.35rem;font-size:0.8125rem;font-weight:500;color:var(--primary);margin-top:auto;transition:gap 0.3s var(--ease-out)}
.news-card:hover .nc-link{gap:0.6rem}

/* --- Featured News (first item) --- */
.news-featured{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:0}
.news-featured .nc-thumb{aspect-ratio:auto;height:100%}
.news-featured .nc-body{padding:2rem}
.news-featured .nc-body h3{font-size:clamp(1.25rem,2.5vw,1.5rem)}

/* --- Pagination --- */
.pagination{display:flex;justify-content:center;gap:0.375rem;margin-top:3rem;flex-wrap:wrap}
.pagination .page-numbers{padding:0.5rem 1rem;border-radius:100px;font-size:0.8125rem;font-weight:500;text-decoration:none;color:var(--text-secondary);border:1px solid var(--card-border);background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);transition:all 0.3s var(--ease)}
.pagination .page-numbers:hover{background:var(--bg);color:var(--text);border-color:rgba(0,113,227,0.15);transform:translateY(-1px)}
.pagination .page-numbers.current{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px rgba(0,113,227,0.2)}

/* --- Single News Article --- */
.article-hero{background:linear-gradient(180deg,#f0f4fa 0%,#f5f5f7 40%,#fff 100%);padding:clamp(6rem,12vw,10rem) clamp(1.5rem,8vw,6rem) clamp(2rem,5vw,4rem);text-align:center;position:relative;overflow:hidden}
.article-hero::before{content:'';position:absolute;top:-30%;right:-20%;width:clamp(400px,60vw,700px);height:clamp(400px,60vw,700px);border-radius:50%;background:radial-gradient(circle,rgba(0,113,227,0.04),transparent 70%);pointer-events:none}
.article-hero .article-inner{max-width:720px;margin:0 auto;position:relative;z-index:1}
.article-meta{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.25rem;font-size:0.8125rem}
.article-meta .am-date{color:var(--text-muted);letter-spacing:0.04em}
.article-meta .am-cat{font-size:0.6875rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--primary);background:rgba(0,113,227,0.06);padding:0.25rem 0.75rem;border-radius:100px}
.article-meta .am-author{color:var(--text-muted)}
.article-hero h1{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;letter-spacing:-0.03em;line-height:1.15;margin-bottom:1.5rem;color:var(--text)}
.article-featured{margin:0 auto 2.5rem;max-width:900px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.article-featured img{width:100%;height:auto;display:block}
.article-body{max-width:900px;margin:0 auto;padding:0 0 clamp(4rem,8vw,6rem)}
.article-body,.news-content{color:var(--text-secondary);font-size:1.0625rem;line-height:1.9}
.article-body h2,.news-content h2{font-size:1.5rem;color:var(--text);margin-top:2.5rem;margin-bottom:0.75rem}
.article-body h3,.news-content h3{font-size:1.125rem;color:var(--text);margin-top:1.75rem;margin-bottom:0.5rem}
.article-body p,.news-content p{margin-bottom:1.25rem}
.article-body ul,.news-content ul,.article-body ol,.news-content ol{padding-left:1.5rem;margin:1rem 0 1.25rem}
.article-body li,.news-content li{margin-bottom:0.5rem}
.article-body figure,.news-content figure{margin:2rem 0}
.article-body figcaption,.news-content figcaption{font-size:0.8125rem;color:var(--text-muted);text-align:center;margin-top:0.5rem}
.article-body blockquote,.news-content blockquote{border-left:3px solid var(--primary);padding:1rem 1.5rem;color:var(--text-muted);font-style:italic;margin:1.5rem 0;background:var(--bg-secondary);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-body img,.news-content img{max-width:100%;height:auto;border-radius:var(--radius-md)}
.article-body a,.news-content a{color:var(--primary);text-decoration:none}
.article-body a:hover,.news-content a:hover{text-decoration:underline}

/* --- Related Articles --- */
.related-section{padding:clamp(3rem,6vw,5rem) clamp(1.5rem,8vw,6rem);background:var(--bg-secondary)}
.related-header{text-align:center;margin-bottom:2.5rem}
.related-header .section-label{font-size:0.75rem;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--primary);margin-bottom:0.75rem;display:block}
.related-header h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:-0.02em}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:1.25rem;max-width:1000px;margin:0 auto}

/* --- Empty State --- */
.news-empty{text-align:center;padding:4rem 1.5rem;color:var(--text-muted);grid-column:1/-1}
.news-empty i{font-size:3rem;display:block;margin-bottom:1rem;opacity:0.3}

/* --- Responsive --- */
@media(max-width:1023px){
  .news-grid{grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:1.25rem}
  .news-featured{grid-template-columns:1fr}
  .nc-body{padding:1.25rem}
}
@media(max-width:767px){
  .news-grid{grid-template-columns:1fr;gap:1rem}
  .nc-body{padding:1.125rem}
  .news-hero,.article-hero{padding:clamp(4rem,8vw,6rem) 1.25rem clamp(2rem,4vw,3rem)}
  .news-hero-particles{display:none}
  .news-hero-blob{filter:blur(50px);opacity:0.4}
  .article-body{padding:0 0 clamp(3rem,6vw,4rem);font-size:1rem}
  .article-featured{border-radius:var(--radius-md)}
	.news-filter-pill{padding:0.4rem 1rem;font-size:0.75rem}
  .related-grid{grid-template-columns:1fr}
  .article-hero h1{font-size:clamp(1.5rem,6vw,2rem)}
}
@media(max-width:480px){
  .nc-body h3{font-size:0.9375rem}
  .nc-thumb{aspect-ratio:4/3}
  .news-hero-blob.nhb3{display:none}
}

/* Hide CTA on news detail pages */
#contact{display:none}